visual basic msflexgrid

I am Completely new for the debelopment.I have a some doubts in Visual Basic Flexgrid designing

I Want to design three coulmns in flexgrid like
job salary percentage
---------------------------
A 1000-10000 75%

How to enter the data in msflexgrid and afetr
entering the values in the first row
when hit the enter button second will come .
Again i want to enter some other data in ssecond row.
Please send the code if any one find the solution.